mediastinal

Objective To explore the significance of transbronchial needle aspiration (TBNA) in diagnosing paratracheal mediastinal lesions.

目的探讨经纤维支气管镜针吸活检(TBNA)对纵隔病变的诊断价值。

Primary mediastinal germ-cell tumors (GCTs) without gonadal involvement are rare and can be divided into benign mature teratoma and malignant seminoma or nonseminoma.

摘要无生腺体侵犯之原发性纵膈腔生胞瘤之瘤，一般分良性成熟畸胎瘤及包含精胞瘤和非精胞瘤在内的恶性瘤。